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#ifndef MD5_H
#define MD5_H
/*
***********************************************************************
** md5.h -- header file for implementation of MD5 **
** RSA Data Security, Inc. MD5 Message-Digest Algorithm **
** Created: 2/17/90 RLR **
** Revised: 12/27/90 SRD,AJ,BSK,JT Reference C version **
** Revised (for MD5): RLR 4/27/91 **
** -- G modified to have y&~z instead of y&z **
** -- FF, GG, HH modified to add in last register done **
** -- Access pattern: round 2 works mod 5, round 3 works mod 3 **
** -- distinct additive constant for each step **
** -- round 4 added, working mod 7 **
***********************************************************************
*/
/*
* Edited 7 May 93 by CP to change the interface to match that
* of the MD5 routines in RSAREF. Due to this alteration, this
* code is "derived from the RSA Data Security, Inc. MD5 Message-
* Digest Algorithm". (See below.) Also added argument names
* to the prototypes.
*/
/*
***********************************************************************
** Copyright (C) 1990, RSA Data Security, Inc. All rights reserved. **
** **
** License to copy and use this software is granted provided that **
** it is identified as the "RSA Data Security, Inc. MD5 Message- **
** Digest Algorithm" in all material mentioning or referencing this **
** software or this function. **
** **
** License is also granted to make and use derivative works **
** provided that such works are identified as "derived from the RSA **
** Data Security, Inc. MD5 Message-Digest Algorithm" in all **
** material mentioning or referencing the derived work. **
** **
** RSA Data Security, Inc. makes no representations concerning **
** either the merchantability of this software or the suitability **
** of this software for any particular purpose. It is provided "as **
** is" without express or implied warranty of any kind. **
** **
** These notices must be retained in any copies of any part of this **
** documentation and/or software. **
***********************************************************************
*/
#include <tcl.h>
/* typedef a 32-bit type */
#ifdef __alpha
typedef unsigned int UINT4;
#else
typedef unsigned long int UINT4;
#endif
/* Data structure for MD5 (Message-Digest) computation */
typedef struct {
UINT4 buf[4]; /* scratch buffer */
UINT4 i[2]; /* number of _bits_ handled mod 2^64 */
unsigned char in[64]; /* input buffer */
} MD5_CTX;
void MD5Init _ANSI_ARGS_ ((MD5_CTX *mdContext));
void MD5Update _ANSI_ARGS_ ((MD5_CTX *mdContext, unsigned char *bug, unsigned int len));
void MD5Final _ANSI_ARGS_ ((unsigned char digest[16], MD5_CTX *mdContext));
void Transform _ANSI_ARGS_ ((UINT4 *buf, UINT4 *in));
#endif
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